PSYC2004lec9spr08

PSYC2004lec9spr08 - I. Visual Sensation and Perception A....

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Unformatted text preview: I. Visual Sensation and Perception A. We Dont See Things Exactly As They Are 1. Sensat. and Percep. Defined 2. Perception and 4 Gestalt Principles 3. Cues for 3-Dimensional Vision B. and Our Experiences Influence Our Perception 1. Optical Illusions 2. Bottom-Up vs. Top-Down Processing 3. Brain Plasticity II. QUESTIONS ABOUT EXAM? Sensation Perception Sensation detection of stimuli at the sensory organs; converts external energy into an internal representation (energy conversion in called transduction) Perception organizes, interprets the sensation-- occurs in brain Gestalt [whole] psychologists : Believed people perceive sights and sounds as organized wholes, not just sums of individual sensations. Proposed several principles describing how sensations are glued together into shapes and patterns What We See is an Interpretation, an Abstraction That Makes Sense to Us a. b. 1. Proximity X O X O X O X O X O X O X O X O X O X O X O X O X O X O X O X O 2. Similarity is not 3. Continuity 4. Closure Okay, so how do we see things in THREE dimensions?Okay, so how do we see things in THREE dimensions?...
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PSYC2004lec9spr08 - I. Visual Sensation and Perception A....

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